This document is an installation guide for SERAPHIM photovoltaic modules, specifically for the 2021 V3.3 version. It provides comprehensive information for the safe and effective installation, operation, and maintenance of these solar modules.
Function Description
The SERAPHIM photovoltaic modules are designed to convert sunlight into electricity. They are a core component of solar power systems, enabling the generation of clean, renewable energy. The modules are intended for use in various solar installations, ranging from residential to commercial and utility-scale projects.
Important Technical Specifications
The manual details several critical technical specifications for the modules, which vary depending on the specific model (e.g., SRP-XXX-6PA, SRP-XXX-6MA, SRP-XXX-6MB, SRP-XXX-E1A, SRP-XXX-E1B, SRP-XXX-BMA, SRP-XXX-BMB, SRP-XXX-BMC, SRP-XXX-BMD, SRP-XXX-BME, SRP-XXX-BMZ, SRP-XXX-6EA, SRP-XXX-6EB, SRP-XXX-6FA, SRP-XXX-6FB, SRP-XXX-6GA, SRP-XXX-6GB, SRP-XXX-6MA-DG, SRP-XXX-6MB-DG, SRP-XXX-6MC-DG, SRP-XXX-6MD-DG, SRP-XXX-6ME-DG, SRP-XXX-6MF-DG, SRP-XXX-6MG-DG, SRP-XXX-6MH-DG, SRP-XXX-6PA-DG, SRP-XXX-6PB-DG, SRP-XXX-6PC-DG, SRP-XXX-6PD-DG, SRP-XXX-6PE-DG, SRP-XXX-6PF-DG, SRP-XXX-6PG-DG, SRP-XXX-6PH-DG, SRP-XXX-BMA-DG, SRP-XXX-BMB-DG, SRP-XXX-BMC-DG, SRP-XXX-BMD-DG, SRP-XXX-BME-DG, SRP-XXX-BMF-DG, SRP-XXX-BMG-DG, SRP-XXX-BMH-DG, SRP-XXX-BPA-DG, SRP-XXX-BPB-DG, SRP-XXX-BPC-DG, SRP-XXX-BPD-DG, SRP-XXX-BPE-DG, SRP-XXX-BPF-DG, SRP-XXX-BPG-DG, SRP-XXX-BPH-DG).
Key electrical characteristics include:
- Rated Power (Pmp): Varies by model, ranging from 250W to 670W.
- Power Sorting: 0~+4.99W, indicating a positive power tolerance.
- Power Tolerance: ±3%.
- Maximum Power Voltage (Vmp): Ranges from approximately 30.2V to 43.1V depending on the model.
- Maximum Power Current (Imp): Ranges from approximately 8.26A to 18.01A.
- Open Circuit Voltage (Voc): Ranges from approximately 37.2V to 50.10V.
- Short Circuit Current (Isc): Ranges from approximately 8.61A to 19.24A.
- Maximum Series Fuse Rating: Typically 20A, 25A, or 30A.
Environmental and operating conditions:
- Pmax Temperature Coefficient: -0.42 %/℃.
- Voc Temperature Coefficient: -0.32 %/℃.
- Isc Temperature Coefficient: +0.04 %/℃.
- Operating Temperature: -40~+85℃.
- Measurement of nominal module operating temperature (NMOT): 45±2 ℃.
- Maximum System Voltage (IEC): 1000V/1500V (for -HV& -TB&-BG&-DG models).
- Grounding Conductivity: <0.1Ω.
- PV Module Classification: Class II.
- Insulation Resistance: ≥100MΩ.
The modules are designed for a maximum system voltage of 1500Vdc, which is a critical safety and performance parameter. The minimum current-carrying capacity of the cable is calculated by the following formula: Isc_min = 1.25 * Isc_N. The minimum number of modules in parallel or series is also specified, along with the maximum number of modules connected in parallel (not to exceed eight) and in series (not to exceed the maximum system voltage).
Mechanical specifications for installation include:
- Module dimensions: Various types with specific 'a' and 'b' dimensions (e.g., 1985/1970/1956mm x 992/1002mm, 1665/1650/1640mm x 992/1002mm, 2180mm x 1002mm, etc.).
- Clamp length: Typically ≥50mm, ≥150mm, or ≥200mm depending on the module type and load.
- Loads (Pa): Modules can withstand various loads, such as 2400 Pa or 5400 Pa for different configurations.
- Mounting holes: 8 mounting holes for standard modules, with specific torque requirements (16~20N*M for M8 screws).
- Minimum clearance: A minimum clearance of 10mm between two adjacent modules and 115mm between modules and the wall or roof is recommended.
Usage Features
The manual emphasizes several key usage features to ensure optimal performance and safety:
- Universal application: Modules are rated for use in applications with system voltages up to 50V DC or 240W, meeting safety standards IEC 61730-1 and IEC 61730-2.
- Professional installation: Installation must be performed by professionally trained PV system installers who are familiar with relevant safety procedures.
- Environmental considerations: Modules should be installed in locations that maximize sunlight exposure and minimize shading. They are designed to operate effectively in various environmental conditions, including temperatures from -20°C to +50°C for storage and -40°C to +85°C for operation.
- Module handling: Modules are fragile and must be handled with care to prevent damage to the glass or back surface. They should not be dropped, dragged, or scratched.
- Packaging and storage: Modules should be stored in a dry and ventilated environment, protected from moisture and extreme temperatures. Unpacked modules should be installed immediately.
- Connection: Proper electrical connections are crucial. All installations must comply with local codes and regulations. Direct current (DC) is generated when the battery surface of the module is exposed to direct sunlight or other light sources.
- Bifacial modules: For bifacial modules, the generation gain is related to the ground reflectivity. The manual provides a table of reflectivity ranges for different ground types (water, grassland, ground, concrete, sand, snow).
- Mounting configurations: The manual provides detailed instructions and diagrams for various mounting configurations, including double-side clamps and single-side clamps, for both standard and dual glass modules. It specifies clamp lengths and load capacities for different module types.
- Cable layout: Recommended vertical and horizontal cable layouts for split J-Box modules are provided to minimize risk from lightning strikes and ensure proper connection.
- Series and parallel connections: Modules can be connected in series or parallel to achieve the desired voltage and current. The maximum number of modules in series or parallel is limited by the system voltage and fuse rating.
- Bypass diodes: Modules are equipped with bypass diodes to prevent hot spots and power loss in case of partial shading or damage.
- Grounding: All PV module frames and mounting brackets must be properly grounded in accordance with applicable national electrical code.
Maintenance Features
The manual outlines essential maintenance procedures to ensure the long-term performance and safety of the modules:
- Regular inspections: A preventive inspection every six months is recommended. This includes checking for any visible damage, cracks, scratches, or delamination on the module surface.
- Module cleaning: Regular cleaning of the module surface is necessary to maintain optimal power output. Dust accumulation can reduce power output by up to 30%. Cleaning should be done with soft, clean cloths, sponges, or other non-abrasive materials, using clean water. Harsh chemicals, abrasive cleaners, or high-pressure water jets should be avoided.
- Connector and cable inspection: All electrical connections, including cables and connectors, should be inspected for corrosion, damage, or loose connections. Torque settings for terminal bolts should be checked.
- Troubleshooting: The manual provides guidance on troubleshooting common issues. If the PV system does not work properly, installers should be informed immediately.
- Environmental monitoring: Regular monitoring of environmental conditions (temperature, humidity) is recommended to ensure the modules operate within specified ranges.
- Warranty: SERAPHIM provides a warranty for its modules. Any maintenance or repairs should be performed by qualified professionals to avoid voiding the warranty.
- Records: Maintaining a PV module cleaning record is recommended.
The document emphasizes that all instructions must be followed to meet SERAPHIM warranty conditions and ensure the safe and efficient operation of the photovoltaic modules.
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